Senior Commercial Refrigeration Technician
Job in
North Chicago, Lake County, Illinois, 60086, USA
Listed on 2026-03-12
Listing for:
Sterling Engineering
Full Time
position Listed on 2026-03-12
Job specializations:
-
Trades / Skilled Labor
HVAC Tech / Heating Engineer, Maintenance Technician / Mechanic
Job Description & How to Apply Below
Location: North Chicago, IL
Schedule: 6:00am – 2:30pm, Monday - Friday
Target Pay Rate: $45.00/hour (W2)
Benefits: PTO, Paid Holidays, Medical/Dental/Vision Plans, 401(k), ESOP
Must have Skill Set: Industrial HVAC and Refrigeration installation and repair (electrical and mechanical)
Job Summary:The Maintenance Technician (HVAC/R) is responsible for maintaining, troubleshooting, and repairing refrigeration and HVAC systems to ensure reliable facility operations and temperature‑controlled pharmaceutical production environments.
Job Duties:- Maintain, service, troubleshoot, and repair refrigeration and chiller systems including centrifugal, screw, and positive displacement compressors.
- Install, maintain, and repair walk‑in coolers and freezers to ensure proper temperature control and product preservation.
- Diagnose and repair building automation system (BAS)-controlled components including transducers, actuators, valves, dampers, controller boards, pressure switches, and environmental sensors.
- Interpret electrical schematics and safely work with 24
VAC, 120
VAC, and 460
VAC systems. - Perform refrigeration diagnostics including superheat and subcooling calculations to optimize system performance.
- Troubleshoot smart refrigeration controllers such as Beacon II and Intelli Gen (preferred).
- Support commissioning, validation, and startup of HVAC/R systems.
- Partner with cross‑functional teams to resolve equipment issues and improve system reliability.
- Participate in safety initiatives and continuous improvement efforts.
- Train and support other technicians on advanced HVAC/R tasks as needed.
- Complete additional maintenance duties and projects as assigned.
- High School Diploma/GED with 10+ years, or technical certificate with 5+ years, or Associate’s degree with 3+ years of relevant experience.
- Universal EPA certification required.
- Strong knowledge of HVAC/R systems including chillers, compressors, pumps, and water flow systems.
- Experience with BAS controls and industrial electrical troubleshooting.
- Familiarity with HVAC/R validation and commissioning processes.
- Strong troubleshooting, root cause analysis, and problem‑solving skills.
Position Requirements
10+ Years
work experience
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